EP2559642B1 - Coreless scroll rewinding machine without winding assisting plate - Google Patents

Coreless scroll rewinding machine without winding assisting plate Download PDF

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Publication number
EP2559642B1
EP2559642B1 EP11765004.4A EP11765004A EP2559642B1 EP 2559642 B1 EP2559642 B1 EP 2559642B1 EP 11765004 A EP11765004 A EP 11765004A EP 2559642 B1 EP2559642 B1 EP 2559642B1
Authority
EP
European Patent Office
Prior art keywords
roller
rewinding
air suction
suction holes
air flow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11765004.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2559642A4 (en
EP2559642A1 (en
Inventor
Qibiao Li
Zhaobo Luo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Baosuo Machinery Manufacturing Co Ltd
Original Assignee
Foshan Baosuo Machinery Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Foshan Baosuo Machinery Manufacturing Co Ltd filed Critical Foshan Baosuo Machinery Manufacturing Co Ltd
Publication of EP2559642A1 publication Critical patent/EP2559642A1/en
Publication of EP2559642A4 publication Critical patent/EP2559642A4/en
Application granted granted Critical
Publication of EP2559642B1 publication Critical patent/EP2559642B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2276—The web roll being driven by a winding mechanism of the coreless type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/41419—Starting winding process
    • B65H2301/41426—Starting winding process involving suction means, e.g. core with vacuum supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/33—Rotary suction means, e.g. roller, cylinder or drum
    • B65H2406/331—Rotary suction means, e.g. roller, cylinder or drum arranged for rotating while moving along material to be handled, e.g. rolling on material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/36—Means for producing, distributing or controlling suction
    • B65H2406/361—Means for producing, distributing or controlling suction distributing vacuum from stationary element to movable element
    • B65H2406/3612—Means for producing, distributing or controlling suction distributing vacuum from stationary element to movable element involving a shoe in sliding contact with flanges of a rotating element

Definitions

  • the present application relates to a rewinding machine, in particular to a rewinding machine which can produce a coreless paper roll.
  • Document EP 0 698 570 discloses a coreless winder with an upper roller, a lower roller wherein a suction system is provided at lower roller
  • a conventional rewinding machine utilizes a winding assisting plate to complete the start of the winding process during rewinding of such a paper roll.
  • a winding assisting plate for complete the start of the winding process during rewinding of such a paper roll.
  • the disclosed rewinding machine makes a rewinding upper roller and a rewinding lower roller (called “winding rollers 1 and 3" in the patent) closed up temporarily, and depends on the support of a winding assisting plate (called ⁇ supporting surface 21" in the patent) to achieve the start of winding.
  • the object of present application is to provide a coreless paper roll rewinding machine without using the winding assisting plate.
  • the coreless paper roll rewinding machine without the winding assisting place, comprises a rewinding upper roller and a rewinding lower roller which are parallel to each other, the paper is wound on the rewinding upper roller and passes through the roller gap between the rewinding upper roller and the rewinding lower roller,
  • the roller gap between the rewinding upper roller and the rewinding lower roller is no more than 10mm
  • a plurality of air flow channels are arranged in the roller body of the rewinding lower roller, the plurality of air flow channels are arranged spaced apart along the circumference of the roller body; each air flow channel is interconnected with a set of air suction holes provided on the surface of the rewinding lower roll; a set of air suction holes interconnected with the same air flow channel are arranged in one or more rows on the surface of the roller body; each row of air suction holes is arranged along the latitude direction of the roller body; respective rows of air suction holes are arranged spaced apart
  • the invention's principle of starting the winding is as the following.
  • the air suction holes on the surface of the rewinding lower roller is gradually closing toward the roller gap between the rewinding upper roller and the rewinding lower roller, they will create a suction force, which rolls up the head portion of the paper; and the head portion of the paper is blocked by the narrow roller gap between the rewinding upper roller and the rewinding lower roller, so that the subsequently fed paper can continue to be rolled with the rolled-up paper, and thus the start of winding is performed.
  • the rewinding machine according to the present invention neither needs to depend on the support of the winding assisting plate, nor needs to change the roller gap between the rewinding upper roller and the rewinding lower roller during the whole process from the start of winding to end completion of rewinding. Therefore, the present invention has the following advantages:
  • the coreless paper roll rewinding machine disclosed in the present invention comprises a rewinding upper roller 1 and a rewinding lower roller 2 which are parallel to each other. Paper 3 is wound on the rewinding upper roller and passes through the roller gap between the rewinding upper roller 1 and the rewinding lower roller 2.
  • the roller gap M between the rewinding upper roller 1 and the rewinding lower roller 2 is no more than 10mm.
  • a plurality of air flow channels 4, which are parallel to the axis of the roller body, are distributed in the roller body of the rewinding lower roller 2, and each air flow channel goes through to an end surface of the roller body.
  • a plurality of air flow channels 4 are arranged spaced apart along the circumference of the roller body. Each air flow channel 4 is interconnected with a set of air suction holes 5 on the surface of the roller body.
  • the set of air suction holes 5 which is interconnected with the same air flow channel 4 is arranged to a row on the roller body. Or the set of air suction holes which interconnects with the same air flow channel 4, is arranged in two rows 5' and 5", as Fig.3 and Fig.4 shown.
  • a set of air suction holes which is interconnected with the same air flow channel 4 also can be arranged in more rows. As shown in Fig.2 , each row of air suction holes 5 are arranged along the latitude direction of the roller body 2, however, it is not required that the direction of arrangement must be parallel to the axis of the roller body; it can have a certain helix angle.
  • respective rows of air suction holes 5 are arranged spaced apart along the circumference of the roller body.
  • An air suction cover 6 is mounted in a position close to the end portion of the rewinding lower roller 2.
  • the air suction cover 6 is connected to a vacuum pumping device (not shown) to produce a negative pressure.
  • the exhaust opening of the air suction cover 6 faces towards the end surface of the rewinding lower roller 2.
  • the air flow channels 4 shown in Fig.1 can be interconnected with either both two end surfaces of the rewinding lower roller 2, or only one end surface of the rewinding lower roller 2.
  • the air suction cover 6 can be arranged either on both two ends of the rewinding lower roller 2 or only one end of the rewinding lower roller 2.
  • the air suction cover 6 also can be arranged in a position close to the cylindrical surface of the rewinding lower roller 2 and close to the end portion of the roller body, as shown in Fig.5 and Fig.6 .
  • the exhaust opening of the air suction cover 6 faces towards the cylindrical surface of roller body.
  • the air flow channels 4 in the roller body is interconnected with the air suction cover 6 on the cylindrical surface of roller body, as shown in Fig.6 .
  • Fig.1 The following describes the principle of starting the winding by referring to the embodiment shown in Fig.1 .
  • a row of air suction holes 5a on the surface of the roller body is interconnected with the exhaust opening of the air suction cover 6 to produce a suction force, so that the head portion of the paper 3 is attached to the rewinding lower roller 2.
  • the rewinding lower roller 2 carries the head portion of the paper 3 backward to make the head portion of the paper rolled up to form the state as shown in Fig.7 .
  • the rolled up head portion of the paper is blocked by the roller gap between the rewinding upper roller 1 and the rewinding lower roller 2.
  • the row of air suction holes 5a which interconnected with the air suction cover has rotated away from the roller gap gradually; the row of air suction holes 5a is disconnected with the air suction cover 6 and thus loses the suction force, which causes the rolled-up head portion of the paper to be blocked by the roller gap between the rewinding upper roller 1 and the rewinding lower roller 2. Then the subsequently fed paper can continue to be rolled with the rolled up paper, and thus the start of winding is performed.
  • the diameter of the paper roll gradually increases.
  • the rewinding upper roller 1, the rewinding lower roller 2 and the rider roller 7 together carry the paper roll to wind, until the rewinding is finished and the tail of the paper roll is pulled off, which forms a new paper head.
  • a plurality of air flow channels 8 are arranged in the roller body of the rewinding upper roller 1 according to another embodiment shown in the Fig.8 .
  • the plurality of air flow channels 8 are arranged spaced apart along circumference of the roller body, and every air flow channel 8 is interconnected with a set of air suction holes 9.
  • a set of air suction holes 9, which is interconnected to the same air flow channel 8, is arranged into one or more rows on the surface of the roller body. Each row of air suction holes is arranged along the latitude direction of the roller body. Respective rows of air suction holes 9 are arranged spaced apart along the circumference of the roller body.
  • the second air suction cover 10 is provided in a position close to an end of the rewinding upper roller.
  • a certain row of air suction holes on the surface of the rewinding upper roller 1 such as a row of air suction holes 9a shown in Fig.8
  • the air flow channel 8a in the roller body which is interconnected with the row of air suction holes 9a, is rotated to a region where it interconnects with the exhaust opening of the second air suction cover 10, which causes the whole row of air suction holes 9a to produce a suction force.
  • each air flow channels 8 is periodically interconnected or disconnected with the exhaust opening of the second air suction cover 10 as the rewinding upper roller 1 rotates.
  • the improvement shown in Fig.8 is that the air flow channel 8, the air suction holes 9 and the second air suction cover 6, which are the similar type to the ones in the rewinding lower roller 2, are provided complementarily for the rewinding upper roller 1.
  • the improvement it can more reliably ensure that the rolled up head portion of the paper can be blocked by the gap between the rewinding upper roller 1 and the rewinding lower roller 2, and thus improve the reliability of the start of winding.
  • the structures and operation principles of the air flow channels 8, air suction holes 9 and the second air suction cover 10 and the arrangement of the second air suction cover 10 can be referred to the one described in the prior embodiment; therefore, no further description is required.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
EP11765004.4A 2010-04-10 2011-02-25 Coreless scroll rewinding machine without winding assisting plate Active EP2559642B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201010149795 CN101920860B (zh) 2010-04-10 2010-04-10 无需助卷板的无芯纸卷复卷机
PCT/CN2011/000314 WO2011124086A1 (zh) 2010-04-10 2011-02-25 无需助卷板的无芯纸卷复卷机

Publications (3)

Publication Number Publication Date
EP2559642A1 EP2559642A1 (en) 2013-02-20
EP2559642A4 EP2559642A4 (en) 2014-01-15
EP2559642B1 true EP2559642B1 (en) 2017-05-03

Family

ID=43336128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11765004.4A Active EP2559642B1 (en) 2010-04-10 2011-02-25 Coreless scroll rewinding machine without winding assisting plate

Country Status (5)

Country Link
US (1) US9073717B2 (zh)
EP (1) EP2559642B1 (zh)
CN (1) CN101920860B (zh)
ES (1) ES2632762T3 (zh)
WO (1) WO2011124086A1 (zh)

Families Citing this family (8)

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CN101920860B (zh) * 2010-04-10 2012-02-15 佛山市宝索机械制造有限公司 无需助卷板的无芯纸卷复卷机
US10071871B2 (en) * 2013-03-14 2018-09-11 Gpcp Ip Holdings Llc Air knife configured to improve rolling of paper product
CN103407822B (zh) * 2013-07-10 2015-12-30 吴兆广 一种生产有芯和无芯纸卷复卷机
CN106115323A (zh) * 2016-07-28 2016-11-16 佛山市南海区德昌誉机械制造有限公司 一种基于真空起卷的卫生纸卷的复卷方法
CN107826828B (zh) * 2017-11-24 2023-11-14 佛山市南海区德昌誉机械制造有限公司 一种动态旋转吸附腔的卫生纸卷复卷机以及复卷方法
JP7234234B2 (ja) * 2017-11-29 2023-03-07 ペーパー・コンバーティング・マシン・カンパニー センターアシストとベルトと巻取りドラムが巻取りネストを形成する表面巻直し機
US11247863B2 (en) 2018-11-27 2022-02-15 Paper Converting Machine Company Flexible drive and core engagement members for a rewinding machine
US11383946B2 (en) 2019-05-13 2022-07-12 Paper Converting Machine Company Solid roll product formed from surface rewinder with belt and winding drum forming a winding nest

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CN201660326U (zh) * 2010-04-10 2010-12-01 佛山市宝索机械制造有限公司 无需助卷板的无芯纸卷复卷机
CN101920860B (zh) * 2010-04-10 2012-02-15 佛山市宝索机械制造有限公司 无需助卷板的无芯纸卷复卷机
CN201703895U (zh) * 2010-05-24 2011-01-12 佛山市宝索机械制造有限公司 以气流辅助起卷的无芯纸卷复卷机
CN101837900B (zh) * 2010-05-24 2012-02-15 佛山市宝索机械制造有限公司 以气流辅助起卷的无芯纸卷复卷机

Also Published As

Publication number Publication date
US9073717B2 (en) 2015-07-07
EP2559642A4 (en) 2014-01-15
ES2632762T3 (es) 2017-09-15
US20130026280A1 (en) 2013-01-31
WO2011124086A1 (zh) 2011-10-13
CN101920860B (zh) 2012-02-15
EP2559642A1 (en) 2013-02-20
CN101920860A (zh) 2010-12-22

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